Home / 7,900.24-11,850.36-2,353.56

Finding the Fourth Proportional to 7,900.24, 11,850.36 and 2,353.56

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Solution

The fourth proportional to 7,900.24, 11,850.36 and 2,353.56 is: 3,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.24 : 11,850.36 = 2,353.56 : x
  2. Step 2: Convert to fraction form
    7,900.24/11,850.36 = 2,353.56/x
  3. Step 3: Cross multiply
    7,900.24x = 11,850.36 × 2,353.56
  4. Step 4: Simplify right side
    7,900.24x = 27,890,533.28
  5. Step 5: Solve for x
    x = 27,890,533.28/7,900.24
  6. Step 6: Final answer
    x = 3,530.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.